EP0741263A1 - Gesicherter Lampenträger für Anzeigelampe, insbesondere für Kraftfahrzeug, und Anzeigelampe mit einem solchen Lampenträger - Google Patents

Gesicherter Lampenträger für Anzeigelampe, insbesondere für Kraftfahrzeug, und Anzeigelampe mit einem solchen Lampenträger Download PDF

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Publication number
EP0741263A1
EP0741263A1 EP96400942A EP96400942A EP0741263A1 EP 0741263 A1 EP0741263 A1 EP 0741263A1 EP 96400942 A EP96400942 A EP 96400942A EP 96400942 A EP96400942 A EP 96400942A EP 0741263 A1 EP0741263 A1 EP 0741263A1
Authority
EP
European Patent Office
Prior art keywords
lamp holder
lamp
contact
holder according
angular distribution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96400942A
Other languages
English (en)
French (fr)
Inventor
Daniel Josquin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0741263A1 publication Critical patent/EP0741263A1/de
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base
    • H01R33/465—Two-pole devices for bayonet type base secured to structure or printed circuit board
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors

Definitions

  • the present invention relates generally to the mounting of lamps in signaling lights, in particular of motor vehicles.
  • the signal light lamps are bayonet lamps, which are mounted in an insulating lamp holder plate on which are fixed metallic contact and connection pieces with a power connector. Also conventionally, such a lamp holder is capable of receiving a set of lamps corresponding to the various light signaling functions.
  • Such a lamp holder comprising a generally cylindrical insulating body capable of being mounted, while carrying the lamp, in an opening in the base of the signaling light.
  • a lamp holder carries conductive parts capable of establishing contact on the one hand internally with the lamp, at a cavity for receiving the lamp base, and on the other hand on an external side of the lamp holder , but inside the base, with contact elements fixed on the base and themselves connected to a power connector.
  • FIGs 1 and 2 schematically show two lamp holders of this type.
  • the lamp holder PL of FIG. 1 comprises in a hollow cylindrical body 30 two notches 31 and 32 in the general shape of J, diametrically opposite, intended to receive the pins.
  • the lamp holder comprises a conductive contact piece 20 in the general shape of "U", straddling the edge of the hollow cylindrical body of the lamp holder and comprising a joining part 23, a first external boss 21 and a second internal boss 22 intended to come into contact laterally with the base.
  • the external boss 21 is intended for its part to come into contact with a fixed conductive part (not shown), integral with the base of the light, when the lamp holder is put in place.
  • another conductive part 10 is provided, which is also shown in profile view in FIG. 1.
  • This part comprises a straight branch 11 in which is formed, by cutting, a boss 12 projecting towards outside.
  • the branch 11 ends in a sinuous transverse part 13 forming a spring and being placed at the bottom of the cavity CV for receiving the base.
  • the part 10 is fixed to the body 30 of the lamp holder by the fact that its rectilinear branch 11 is engaged in a groove 36 formed axially in the wall of the body 30.
  • This groove is in this case angularly offset with respect to the part 20 by an angle of about 135 °, and is offset from the first notch 31 for the lug by a value also close to 135 °.
  • Figure 4 of the drawings shows a base C2 of a standard lamp L2. This lamp is distinguished from a lamp having the base C1 by the fact that its bulb is tinted to give an amber illumination, and by the fact that its two lugs E3 and E4 are angularly offset by 150 °.
  • the conductive part 10 has instead of the branch 11 a "U" -shaped part engaged in the groove 36 and consisting of a joining part 11b, of an external rectilinear branch 11c carrying the external boss 12, and of an internal rectilinear branch 11a at the end of which the spring part 13 is formed.
  • the object of this variant is to effectively prevent the engagement of a base of the type of that of FIG. 4, insofar as the internal rectilinear branch 11a of the conductive part 10 comes substantially in line with the internal face of the body cylindrical 30 and prevents the penetration of the lug E4 in the groove 36.
  • the risk of short circuit during an attempt to mount a lamp of the L2 type is obvious. Indeed, while the lug E3 will be positioned in the notch 31, the lug E4 connected to the ground will certainly come into contact with the apex 11b of the part 10 with positive potential.
  • this lamp holder is also known, in which the parts 10 and 20 are angularly offset by approximately 150 °, the notches 31 and 32 being always diametrically opposite to receive a lamp of the L1 type.
  • an attempt to install a lamp of the L2 type risks causing the lug E3 to come into contact with the top of one of the pieces 10 and 20, and the coming into contact of the 'lug E4 with the top of the other part, again to cause a short circuit.
  • US-A-4,040,709 discloses a lamp holder according to the preamble of claim 1.
  • This lamp holder which would solve the short-circuit problems mentioned above, is however disadvantageous in that its retention on the lamp holder is carried out by rudimentary means, without real firm anchoring.
  • the retaining zone at the same time forming a zone of contact with an external contact part, has both a reduced surface and projecting edges which are favorable for creating a wedge when the lamp holder is put in place.
  • the present invention aims to overcome these drawbacks, and to provide a lamp holder in which no risk of short circuit exists when an attempt is made to mount a lamp there having an incorrect angular distribution of lugs for this type of lamp holder, and this with a minimal additional cost and great simplicity.
  • the present invention provides a lamp holder for a signaling light having the features of claim 1.
  • the invention also provides a signaling light as defined in claim 9.
  • a lamp holder PL intended to be mounted in an opening of a signal lamp base of a motor vehicle and to receive a lamp L1 with diametrically opposite lugs.
  • the lamp holder preferably made by injection of plastic material, comprises, in a conventional manner, a peripheral flange 35 and carries an O-ring seal J intended to be pressed between the flange 35 and the base during assembly of the holder lamp in said base, this mounting being provided by conventional locking arrangements.
  • a first U-shaped contact part (not shown), as described above, arranged astride the with external and internal bosses. .
  • the external boss during assembly of the lamp holder, is intended to come into contact with a fixed contact element, mounted on the base by suitable arrangements not shown and electrically connected to a connector of the signaling light.
  • the interior boss of this first part forms earth contact with the base of the lamp.
  • this part 10 In another region of the body 30 angularly offset by about 150 ° relative to the aforementioned first part, another contact part 10 is mounted.
  • This part 10 illustrated in detail in FIGS. 7 and 8, comprises a flexible blade 13 in contact with an axial stud of the lamp L1, which extends substantially at right angles from a curved body 12.
  • On either side of this body extend two anchoring tabs 11 each provided with an anchoring tooth 11a projecting obliquely outward.
  • the body 30 of the lamp holder defines an elongated lumen for the passage of the flexible tongue 13, this lumen opening, on the interior side, onto the cavity CV for the lamp base and, on the exterior side, on a bordered recess laterally by two straight walls 36 generally parallel against which the anchoring lugs 11 are applied elastically during the establishment of the part 10, forcibly produced in a direction generally perpendicular to the axis of the lamp holder, the teeth 11a coming to hang in the material of the walls 36.
  • An extremely effective anchoring is thus produced, with a part which remains simple and easy to assemble.
  • two generally radial walls 37 are also formed, the free outer edges of which form stops for the part 10 when it is put in place.
  • the flexible tongue 13 extending in the region of the bottom of the cavity CV takes the place of contact with the lamp stud, while the external face of the connecting part 12 takes the place of contact with an element of fixed contact (not shown) provided on the light base and connected to a light supply connector.
  • the installation of the lamp holder in the base thus ensures the connection of the contact parts 10 and 20 with the supply voltage and the earth available on the light connector.
  • the edge of the access opening to the cavity CV to the right of the contact piece 10 is preferably continuous, which is made possible by the fact that the piece 10 is engaged radially and integrally set back with respect to this opening. In this way, the lamp of the L2 type cannot be put in place, and in addition no risk of short-circuiting exists due to the recessed position of the conductive part 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP96400942A 1995-05-04 1996-05-03 Gesicherter Lampenträger für Anzeigelampe, insbesondere für Kraftfahrzeug, und Anzeigelampe mit einem solchen Lampenträger Withdrawn EP0741263A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9505336A FR2733820B1 (fr) 1995-05-04 1995-05-04 Porte-lampe securise pour feu de signalisation, notamment pour vehicule automobile, et feu de signalisation l'incorporant
FR9505336 1995-05-04

Publications (1)

Publication Number Publication Date
EP0741263A1 true EP0741263A1 (de) 1996-11-06

Family

ID=9478698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96400942A Withdrawn EP0741263A1 (de) 1995-05-04 1996-05-03 Gesicherter Lampenträger für Anzeigelampe, insbesondere für Kraftfahrzeug, und Anzeigelampe mit einem solchen Lampenträger

Country Status (2)

Country Link
EP (1) EP0741263A1 (de)
FR (1) FR2733820B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156922A (zh) * 2015-08-20 2015-12-16 安徽芯瑞达电子科技有限公司 一种自动化生产球泡灯的工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105729128B (zh) * 2016-04-22 2018-04-13 华南理工大学 一种led灯丝球泡灯自动化生产系统及其产品检测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040709A (en) * 1975-11-12 1977-08-09 Amp Incorporated Lighting unit assembly
FR2347609A1 (fr) * 1976-04-06 1977-11-04 Cibie Projecteurs Feu de signalisation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040709A (en) * 1975-11-12 1977-08-09 Amp Incorporated Lighting unit assembly
FR2347609A1 (fr) * 1976-04-06 1977-11-04 Cibie Projecteurs Feu de signalisation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156922A (zh) * 2015-08-20 2015-12-16 安徽芯瑞达电子科技有限公司 一种自动化生产球泡灯的工艺
CN105156922B (zh) * 2015-08-20 2017-12-15 安徽芯瑞达科技股份有限公司 一种自动化生产球泡灯的工艺

Also Published As

Publication number Publication date
FR2733820B1 (fr) 1997-07-25
FR2733820A1 (fr) 1996-11-08

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